Patents by Inventor Stuart WICKSON

Stuart WICKSON has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preparation and use of aminoalkylphosphonic acid dialkyl ester compounds in a lubricant for antiwear, friction reduction, and/or micropitting prevention
    Patent number: 11149226
    Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: October 19, 2021
    Assignee: Afton Chemical Corporation
    Inventors: Helen T. Ryan, Bevin W. Parks-Lee, Jeffrey J. Soden, Stuart Wickson
  • Preparation and Use of Aminoalkylphosphonic Acid Dialkyl Ester Compounds in a Lubricant for Antiwear, Friction Reduction, and/or Micropitting Prevention
    Publication number: 20200181522
    Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 11, 2020
    Inventors: Helen T. RYAN, Bevin W. PARKS-LEE, Jeffrey J. SODEN, Stuart WICKSON
  • Preparation and use of aminoalkylphosphonic acid dilakyl ester compounds in a lubricant for antiwear, friction reduction, and/or micropitting prevention
    Patent number: 10563146
    Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: February 18, 2020
    Assignee: Afton Chemical Corporation
    Inventors: Helen T. Ryan, Bevin W. Parks-Lee, Jeffrey J. Soden, Stuart Wickson
  • PREPARATION AND USE OF AMINOALKYLPHOSPHONIC ACID DILAKYL ESTER COMPOUNDS IN A LUBRICANT FOR ANTIWEAR, FRICTION REDUCTION, AND/OR MICROPITTING PREVENTION
    Publication number: 20130072407
    Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.
    Type: Application
    Filed: September 7, 2012
    Publication date: March 21, 2013
    Applicant: AFTON CHEMICAL CORPORATION
    Inventors: Helen T. RYAN, Bevin W. PARKS-LEE, Jeffrey J. SODEN, Stuart WICKSON